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622303223 is a prime number
BaseRepresentation
bin100101000101111…
…001011111110111
31121100222021112112
4211011321133313
52233302200343
6141430041235
721264330053
oct4505713767
91540867475
10622303223
1129a301693
121544a921b
139bc07479
145c910c63
1539976218
hex251797f7

622303223 has 2 divisors, whose sum is σ = 622303224. Its totient is φ = 622303222.

The previous prime is 622303177. The next prime is 622303243. The reversal of 622303223 is 322303226.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 622303223 - 226 = 555194359 is a prime.

It is a super-2 number, since 2×6223032232 = 774522602712375458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622303243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311151611 + 311151612.

It is an arithmetic number, because the mean of its divisors is an integer number (311151612).

Almost surely, 2622303223 is an apocalyptic number.

622303223 is a deficient number, since it is larger than the sum of its proper divisors (1).

622303223 is an equidigital number, since it uses as much as digits as its factorization.

622303223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 622303223 is about 24946.0061532903. The cubic root of 622303223 is about 853.7564873991.

Adding to 622303223 its reverse (322303226), we get a palindrome (944606449).

The spelling of 622303223 in words is "six hundred twenty-two million, three hundred three thousand, two hundred twenty-three".